The Solaris group is a forum where peers share technical expertise, solve problems, and discuss issues related to the Solaris operating system, including OS-related malfunctions, security issues, and network performance.

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The E450 is PCI based for I/O cards and can handle any number of PCI based HBA cards as long as the OS supports them or there are drivers. Which should not be too hard to find for any newer version say Solaris 8 and above.

We have one E450 machine on production environment that installed on Emulex HBA card on it. And, we did not encounter any problem related to this card up to now. You can easily find firmware and driver updates of emulex cards over internet.